The vagrant kelp gull mated with a local herring gull, though the chick did not survive. Experts say it's a "complete mystery ...

In this Bird of the Week segment, Stacia Brezinski with the Maine Audubon tells us all about the herring gull.

A Kelp Gull, which is native to the coasts in the southern hemisphere, was seen nesting with Herring Gulls in Milwaukee, Wisconsin, officials said.

A kelp gull has been spotted in Milwaukee under the Hoan Bridge, the first confirmed sighting of the species in Wisconsin.

Rare Kelp Gull spotted on Milwaukee's lakefront, a first for Wisconsin The bird is typically found in South America, New Zealand and even Australia.

A Kelp Gull, which is native to the coasts in the southern hemisphere, was seen nesting with Herring Gulls in Milwaukee, Wisconsin, officials said.

A Kelp Gull, which is native to the coasts in the southern hemisphere, was seen nesting with Herring Gulls in Milwaukee, Wisconsin, officials said.

A Kelp Gull, which is native to the coasts in the southern hemisphere, was seen nesting with Herring Gulls in Milwaukee, Wisconsin, officials said.

A Kelp Gull, which is native to the coasts in the southern hemisphere, was seen nesting with Herring Gulls in Milwaukee, Wisconsin, officials said.

A Kelp Gull, which is native to the coasts in the southern hemisphere, was seen nesting with Herring Gulls in Milwaukee, Wisconsin, officials said.

A Kelp Gull, which is native to the coasts in the southern hemisphere, was seen nesting with Herring Gulls in Milwaukee, Wisconsin, officials said.